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Audi Engine Coolant Flanges & Parts

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Thermostat Assembly

ES#3647270 - 079121115BL - Thermostat Assembly - Includes sealing gasket and housing - Vernet - Audi

Includes sealing gasket and housing

Brand:
Vernet - Corporate Logo
ES#:
3647270
Mfg#:
079121115BL
Back Ordered
$172.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3139069 - 078121121K - Thermostat Housing - Located on the front right of the engine block - Hudson - Audi Volkswagen

Located on the front right of the engine block From VIN 4B-1-007,001 split is in the 2001 model year

Brand:
Hudson - Corporate Logo
ES#:
3139069
Mfg#:
078121121K
Ships in 1-2 days
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Flange

ES#2083247 - 06A121132AP - Coolant Hose Flange - Located on the driver side of the cylinder head, this pipe contains the coolant tempature sensor - Febi - Audi Volkswagen

Located on the driver side of the cylinder head, this pipe contains the coolant tempature sensor We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2083247
Mfg#:
06A121132AP
In Stock
$17.99

This product was last offered at the strikethrough price on
05-29-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#4415626 - 06H121132H - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - URO - Audi

Located at the rear of cylinder head, includes o-rings 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4415626
Mfg#:
06H121132H
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Compressor Flange Water Hose - Left

ES#280805 - 06E121545 - Compressor Flange Water Hose - Left - Connects the supercharger flange to the hard water line - Genuine Volkswagen Audi - Audi

Connects the supercharger flange to the hard water line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280805
Mfg#:
06E121545
In Stock
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$12.99

This product was last offered at the strikethrough price on
05-05-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

ES#4899605 - 06E121045T - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Rein - Audi

Coolant supply pipe for the cylinder heads 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4899605
Mfg#:
06E121045T
Ships in 4 Business Days
ON SALE!
$174.99

This product was last offered at the strikethrough price on
08-31-2026

$166.24 USD
Free Shipping
on orders $49 and up

Coolant Hose Flange

ES#4766156 - 06D121132C - Coolant Hose Flange - Located rear engine, this flange houses the temp sensor - Bremmen Parts - Audi

Located rear engine, this flange houses the temp sensor 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766156
Mfg#:
06D121132C
In Stock
ON SALE! SAVE 36%
$17.99

This product was last offered at the strikethrough price on
05-02-2026

$11.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Bypass Line Adapter

ES#4488415 - 059121737AM - Cooling System Bypass Line Adapter - Bolts to the oil cooler - Vaico - Audi Volkswagen

Bolts to the oil cooler We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4488415
Mfg#:
059121737AM
Special Order: No Guaranteed ETA
$160.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Cylinder Head Cooling Flange

ES#4070439 - 462-121-132b5KT - Cast Aluminum Cylinder Head Cooling Flange - Located on the back of the cylinder head - iABED Industries - Audi Volkswagen

Located on the back of the cylinder head For vehicles with AWM engine code only

Brand:
iABED Industries - Corporate Logo
ES#:
4070439
Mfg#:
462-121-132B5KT
Back Ordered
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Flange

ES#4017660 - 06A121132APRM - Coolant Hose Flange - Made from high strength aluminum vs the OEM plastic prone to failure - URO Premium - Audi

Made from high strength aluminum vs the OEM plastic prone to failure 2X Entries Into Our F80 M3 Sweepstakes

Engine code AMU

Brand:
URO Premium - Corporate Logo
ES#:
4017660
Mfg#:
06A121132APRM
Back Ordered
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Output Flange

ES#2552619 - 079121127E - Coolant Output Flange - coolant output flange flows coolant into the engine from the water pump - Includes gasket - Genuine Volkswagen Audi - Audi

coolant output flange flows coolant into the engine from the water pump - Includes gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2552619
Mfg#:
079121127E
Ships in 1-2 days
13% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$59.99

This product was last offered at the strikethrough price on
08-31-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 2.0T Cast Coolant Flange Replacement Kit - With Coolant

ES#4659388 - 06D121132CKT6 - Audi B7 2.0T Cast Coolant Flange Replacement Kit - With Coolant - Cure the common coolant leak coming from the back of your engine compartment once and for all! - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment once and for all! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4659388
Mfg#:
06D121132CKT6
Ships on Nov 17, 2026
ON SALE!
$153.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Allen Bolt - Priced Each

ES#466496 - N01470514 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x25 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x25 Secures coolant flange to the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466496
Mfg#:
N01470514
In Stock
21% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$3.38

This product was last offered at the strikethrough price on
09-10-2026

$2.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2394 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Victor Reinz - Audi Volkswagen

O-Ring between thermostat housing and cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
2394
Mfg#:
021121119A
In Stock at Vendor
$10.99

This product was last offered at the strikethrough price on
04-28-2026

$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe Kit

ES#5457084 - 06E121045BBKT - Coolant Supply Pipe Kit - Everything you need to fix your broken or leaking supply pipe! - Assembled By ECS - Audi

Everything you need to fix your broken or leaking supply pipe! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5457084
Mfg#:
06E121045BBKT
Ships in 2 Business Days
ON SALE!
$154.99

This product was last offered at the strikethrough price on
05-02-2026

$145.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Flange Gasket

ES#4727688 - 06E121139H - Coolant Flange Gasket - Seals the coolant flange to the engine block - Victor Reinz - Audi

Seals the coolant flange to the engine block

Brand:
Victor Reinz - Corporate Logo
ES#:
4727688
Mfg#:
06E121139H
Back Ordered
$7.99 USD
Free Shipping
on orders $49 and up

More About Engine Coolant Flanges & Parts

Replace a cracked or failed coolant flange with a brand new coolant flange to stop those leaks!

Other Audi Engine Coolant Flanges & Parts

Let us help you find the parts that fit your Audi

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